1 /* ------------------------------------------------------------------
2 * Copyright (C) 1998-2009 PacketVideo
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
13 * express or implied.
14 * See the License for the specific language governing permissions
15 * and limitations under the License.
16 * -------------------------------------------------------------------
17 */
18 #include "atom.h"
19 #include "atomutils.h"
20 #include "oscl_file_io.h"
21 #include "boxrecord.h"
22 #include"a_atomdefs.h"
23
24
25
26
PVA_FF_BoxRecord()27 PVA_FF_BoxRecord::PVA_FF_BoxRecord() : PVA_FF_Atom(FourCharConstToUint32('t', 't', 's', 'b'))
28 {
29 _top = 0;
30 _left = 0;
31 _bottom = 0;
32 _right = 0;
33 recomputeSize();
34 }
35
setBoxTop(int16 top1)36 void PVA_FF_BoxRecord::setBoxTop(int16 top1)
37 {
38 if (_top == 0)
39 {
40 _top = top1;
41 }
42 }
43
setBoxLeft(int16 left1)44 void PVA_FF_BoxRecord::setBoxLeft(int16 left1)
45 {
46 if (_left == 0)
47 {
48 _left = left1;
49 }
50 }
51
setBoxBottom(int16 bottom1)52 void PVA_FF_BoxRecord::setBoxBottom(int16 bottom1)
53 {
54 if (_bottom == 0)
55 {
56 _bottom = bottom1;
57 }
58 }
59
setBoxRight(int16 right1)60 void PVA_FF_BoxRecord::setBoxRight(int16 right1)
61 {
62 if (_right == 0)
63 {
64 _right = right1;
65 }
66 }
67
68
renderToFileStream(MP4_AUTHOR_FF_FILE_IO_WRAP * fp)69 bool PVA_FF_BoxRecord::renderToFileStream(MP4_AUTHOR_FF_FILE_IO_WRAP *fp)
70 {
71 int32 rendered = 0;
72
73 if (!PVA_FF_AtomUtils::render16(fp, _top))
74 {
75 return false;
76 }
77 rendered += 2;
78 if (!PVA_FF_AtomUtils::render16(fp, _left))
79 {
80 return false;
81 }
82 rendered += 2;
83 if (!PVA_FF_AtomUtils::render16(fp, _bottom))
84 {
85 return false;
86 }
87 rendered += 2;
88 if (!PVA_FF_AtomUtils::render16(fp, _right))
89 {
90 return false;
91 }
92 rendered += 2;
93
94 return true;
95 }
96
recomputeSize()97 void PVA_FF_BoxRecord::recomputeSize()
98 {
99 int32 size = 0;
100
101 size += 2;
102 size += 2;
103 size += 2;
104 size += 2;
105
106 _size = size;
107
108 // Update size of parent
109 if (_pparent != NULL)
110 {
111 _pparent->recomputeSize();
112 }
113 }
114
getSize()115 uint32 PVA_FF_BoxRecord::getSize()
116 {
117 recomputeSize();
118 return (_size);
119 }
120